Target Audience:
DIY enthusiasts, independent repair shops, and Jeep owners seeking in-depth knowledge for their JK Wrangler.
Value Proposition:
Provides professional-level repair information at a fraction of the cost of dealership labor or proprietary software.
Feature Set:
Comprehensive system coverage, detailed procedures, high-quality illustrations, and printable format.
Usability Enhancements:
Facilitates self-sufficiency in vehicle maintenance and repair, empowering owners to understand and fix their vehicles.
Primary Coverage:
Workshop repair and service for Jeep Wrangler JK (2007-2011)
Engine Coverage:
3.8L EGH V6 PETROL
Transmission Coverage:
4-Speed Automatic (42RLE Ultradrive), 5-Speed Automatic (Chrysler 545FE), 5-Speed Automatic (45RFE), 6-Speed Manual (Chrysler NSG370)
Estimated Page Count:
Extensive (exact number not specified, but described as 'very comprehensive')
Type:
Workshop Repair Manual / Service Manual
Type Description:
A complete digital resource for diagnosing, repairing, and maintaining the specified Jeep Wrangler JK models.
Powertrain:
Engine Mechanical, Engine Control, Fuel System, Ignition System, Cooling System, Exhaust System, Transmission Automatic, Transmission Manual, Transfer Case, Driveline Control, Propeller Shaft
Chassis:
Brake System, Hydraulic Brake, Parking Brake, Front Suspension, Rear Suspension, Steering System, Steering Wheel and Column, Frame and Chassis, Wheel and Tires
Electrical:
Electrical System, Starting and Charging System, Data Network, Driver Info and Control, Entertainment, Horn System, Anti-Theft System, Key-Less Entry System, Lock System, Ground Distribution, Wiring Diagram
Body Interior Exterior:
Body General, Doors Lids Hood Trunk, Exterior, Frame and Chassis, Glass and Windows, Interior, Mirrors, Sunroof and Convertibles, Trim and Panels, Wiper Washer Defogger
Comfort And Climate:
Air Conditioning, Heating System
Safety Restraint:
Restraint System
Emissions:
Emission System
Repair Procedures:
Detailed step-by-step written procedures for all major components and systems.
Maintenance Servicing:
Comprehensive coverage for routine maintenance and scheduled servicing.
Troubleshooting:
Implicitly included through detailed diagnostic information and repair steps.
Diagnostics:
Information pertaining to diagnostic procedures for various systems.
Depth Of Coverage:
High - Covers everything from basic maintenance to complete component rebuilds, comparable to factory technician manuals.
Visual Aid Quality:
Detailed exploded views, pictures, and diagrams are featured throughout.
Displacement:
3.8 Liters (230.5 cubic inches)
Fuel Type:
Petrol (Gasoline)
Horsepower Range:
Approximately 202 hp @ 5200 rpm (for 2007-2011 models)
Torque Range:
Approximately 237 lb-ft @ 4000 rpm (for 2007-2011 models)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Bore X Stroke:
3.78 in x 3.41 in (96.0 mm x 86.5 mm)
Engine Oil Type:
SAE 5W-30 (Chrysler MS-6395 certified)
Engine Oil Capacity:
5.0 US quarts (4.7 Liters) with filter change
Standard Transmission:
N/A (multiple options covered)
Optional Transmissions:
4-Speed Automatic (42RLE Ultradrive), 5-Speed Automatic (Chrysler 545FE), 5-Speed Automatic (45RFE), 6-Speed Manual (Chrysler NSG370)
42Rle Type:
4-Speed Automatic Transmission
42Rle Atf Type:
ATF+4 (MS-9602)
42Rle Capacity:
Approximately 7.3 US quarts (6.9 Liters)
545Fe Type:
5-Speed Automatic Transmission
545Fe Atf Type:
ATF+4 (MS-9602) or equivalent
45Rfe Type:
5-Speed Automatic Transmission
45Rfe Atf Type:
ATF+4 (MS-9602) or equivalent
Nsg370 Type:
6-Speed Manual Transmission
Nsg370 Fluid Type:
MTF 75W-85 GL-4
Nsg370 Capacity:
Approximately 2.2 US quarts (2.1 Liters)
Wheelbase:
95.4 inches (2423 mm)
Length:
160.0 inches (4064 mm)
Width:
73.7 inches (1872 mm)
Height:
70.4 inches (1788 mm)
Wheelbase:
116.0 inches (2946 mm)
Length:
179.2 inches (4552 mm)
Width:
73.7 inches (1872 mm)
Height:
72.1 inches (1831 mm)
Curb Weight Range:
Approximately 3,800 - 4,100 lbs (1724 - 1860 kg)
Curb Weight Range:
Approximately 4,300 - 4,600 lbs (1950 - 2087 kg)
Cargo Volume Behind Rear Seat:
Approximately 9.6 cubic feet (0.27 cubic meters)
Cargo Volume With Rear Seat Folded:
Approximately 29.2 cubic feet (0.83 cubic meters)
Cargo Volume Behind Rear Seat:
Approximately 31.5 cubic feet (0.89 cubic meters)
Cargo Volume With Rear Seat Folded:
Approximately 82.9 cubic feet (2.35 cubic meters)
Standard Tire Size Jk:
P225/75R16 (example, varies by trim)
Optional Tire Size Jk:
P255/75R17, LT255/75R17, P275/65R18 (example)
Wheel Bolt Pattern:
5x5 inches (127 mm)
NHTSA Front Impact Driver:
4 Stars (for 2007-2011 JK models, though specific testing may vary by year)
NHTSA Front Impact Passenger:
4 Stars (for 2007-2011 JK models)
NHTSA Side Impact Front Seat:
5 Stars (for 2007-2011 JK models)
NHTSA Side Impact Rear Seat:
4 Stars (for 2007-2011 JK models)
IIHS Frontal Offset Rating:
Good (for later JK models, earlier years may vary)
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control System (TCS)
Passive Safety Features:
Front airbags, available side curtain airbags (depending on trim/options), seatbelt pretensioners
Infotainment Options:
Available Uconnect infotainment systems with SiriusXM Satellite Radio, CD/DVD player, MP3 capability, and optional navigation system.
Driver Assistance Features:
ABS, ESC, Traction Control, Hill Start Assist (HSA), Hill Descent Control (HDC) available on some trims.
Connectivity Options:
Auxiliary input jack, optional USB port, Bluetooth connectivity for hands-free calling and audio streaming (with Uconnect).
Service Intervals General
Oil Change Interval:
Every 6,000 miles (9,600 km) or 6 months, whichever comes first (under normal driving conditions).
Tire Rotation Interval:
Every 6,000 miles (9,600 km)
Engine Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km).
Cabin Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or every 20,000 miles (32,000 km).
Coolant Type:
Chrysler OAT (Orange) Antifreeze/Coolant, 5/150 Formula (MS-9769)
Power Steering Fluid Type:
ATF+4 (MS-9602) or equivalent
Common Issues 3.8L Egh:
Some owners report minor oil consumption, potential for EGR valve issues, and some transmission cooler line leaks on early models. Clutch wear on manual transmissions can be higher with off-road use.
Common Issues Jk Platform:
Water leaks into the cabin (especially around doors and windshield frame), PCM (Powertrain Control Module) failures, and suspension component wear due to off-road use are noted.
Jeep Legacy:
Jeep has a rich heritage dating back to WWII, renowned for its off-road capability and ruggedness.
Jk Introduction:
The JK generation Wrangler replaced the TJ generation. It was the first Wrangler to offer a four-door model (Wrangler Unlimited JKU) and featured a significant redesign with a more modern chassis and interior.
Manufacturing Plant:
Toledo South Assembly Plant, Toledo, Ohio, USA
Production Period:
The JK generation was produced from 2007 to 2018.